Android Open Source - notes Label Edit Dialog

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License

The source code is released under:

DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE Version 2, December 2004 Copyright (C) 2004 Sam Hocevar <sam@hocevar.net> Everyone is permitted to copy and distribute verbatim or...

Java Source Code

package com.iliakplv.notes.gui.main.dialogs;
/*  w  ww.ja v  a2s.  c o  m*/
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.CheckBox;
import android.widget.EditText;

import com.iliakplv.notes.NotesApplication;
import com.iliakplv.notes.R;
import com.iliakplv.notes.notes.Label;

import java.io.Serializable;
import java.util.Random;

public class LabelEditDialog extends AbstractItemDialog {

  public static final Integer NEW_LABEL = 0;

  private static final String FRAGMENT_TAG = "label_edit_dialog";

  private static final String EXTRA_NOTE_ID = "note_id";
  private static final String EXTRA_LABEL_NAME = "label_name";
  private static final String EXTRA_SELECTED_COLOR = "label_color";
  private EditText nameEditText;
  private int selectedColor;

  private static final int[] COLORS_CHECKBOXES_IDS = {
      R.id.color_1,
      R.id.color_2,
      R.id.color_3,
      R.id.color_4,
      R.id.color_5,
      R.id.color_6,
      R.id.color_7,
      R.id.color_8
  };

  @Override
  public Dialog onCreateDialog(Bundle savedInstanceState) {
    final LayoutInflater inflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    final View labelDialogView = inflater.inflate(R.layout.label_edit_dialog, null);

    final boolean editMode = !NEW_LABEL.equals(id);
    final boolean fromSavedInstanceState = savedInstanceState != null;

    final Label label = editMode ?
        storage.getLabel(id) :
        new Label("", getRandomColorIndex());

    final String labelName = fromSavedInstanceState ?
        savedInstanceState.getString(EXTRA_LABEL_NAME) :
        label.getName();
    nameEditText = (EditText) labelDialogView.findViewById(R.id.label_name);
    nameEditText.setText(labelName);
    selectedColor = fromSavedInstanceState ?
        savedInstanceState.getInt(EXTRA_SELECTED_COLOR) :
        label.getColor();

    final LabelEditDialogCheckBoxListener checkBoxListener =
        new LabelEditDialogCheckBoxListener((CheckBox) labelDialogView.findViewById(COLORS_CHECKBOXES_IDS[selectedColor]));
    for (int i = 0; i < COLORS_CHECKBOXES_IDS.length; i++) {
      final View checkBox = labelDialogView.findViewById(COLORS_CHECKBOXES_IDS[i]);
      checkBox.setOnClickListener(checkBoxListener);
      checkBox.setTag(i);
    }

    final boolean insertLabelToNote = getArguments() != null &&
        getArguments().containsKey(EXTRA_NOTE_ID);
    final Serializable noteId = insertLabelToNote ?
        getArguments().getSerializable(EXTRA_NOTE_ID) :
        0;

    return new AlertDialog.Builder(activity)
        .setView(labelDialogView)
        .setPositiveButton(R.string.common_save, new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface dialogInterface, int i) {
            final String labelName = ((EditText) labelDialogView.findViewById(R.id.label_name)).getText().toString();
            NotesApplication.executeInBackground(new Runnable() {
              @Override
              public void run() {
                label.setName(labelName);
                label.setColor(selectedColor);
                if (editMode) {
                  storage.updateLabel(id, label);
                } else {
                  final Serializable labelId = storage.insertLabel(label);
                  if (insertLabelToNote) {
                    storage.insertLabelToNote(noteId, labelId);
                  }
                }
                ((LabelEditDialogCallback) getTargetFragment()).onLabelChanged();
              }
            });
          }
        })
        .setNegativeButton(R.string.common_cancel, null)
        .create();
  }

  private static int getRandomColorIndex() {
    return new Random().nextInt(COLORS_CHECKBOXES_IDS.length);
  }

  @Override
  public void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    outState.putString(EXTRA_LABEL_NAME, nameEditText.getText().toString());
    outState.putInt(EXTRA_SELECTED_COLOR, selectedColor);
  }

  // Show dialog
  public static void show(FragmentManager fragmentManager, Serializable labelId, Fragment targetFragment) {
    createDialog(targetFragment, labelId, 0).show(fragmentManager, FRAGMENT_TAG);
  }

  // Show this dialog for new label creation. Set created label to specified note.
  public static void showCreateAndSet(FragmentManager fragmentManager, Fragment targetFragment, Serializable noteId) {
    createDialog(targetFragment, NEW_LABEL, noteId).show(fragmentManager, FRAGMENT_TAG);
  }

  private static LabelEditDialog createDialog(Fragment targetFragment, Serializable labelId, Serializable noteId) {
    if (!(targetFragment instanceof LabelEditDialogCallback)) {
      throw new IllegalArgumentException("Target fragment must implement callback interface");
    }
    final LabelEditDialog dialog = new LabelEditDialog();
    final Bundle args = createArgumentsBundle(labelId);
    if (!Integer.valueOf(0).equals(noteId)) {
      args.putSerializable(EXTRA_NOTE_ID, noteId);
    }
    dialog.setArguments(args);
    dialog.setTargetFragment(targetFragment, 0);
    return dialog;
  }



  /**
   * ******************************************
   *
   * Inner classes
   *
   * *******************************************
   */

  private class LabelEditDialogCheckBoxListener implements View.OnClickListener {
    private CheckBox currentSelectedCheckBox;

    public LabelEditDialogCheckBoxListener(CheckBox selectedCheckBox) {
      currentSelectedCheckBox = selectedCheckBox;
      currentSelectedCheckBox.setChecked(true);
    }

    @Override
    public void onClick(View newSelectedCheckBox) {
      if (newSelectedCheckBox != currentSelectedCheckBox) {
        currentSelectedCheckBox.setChecked(false);
        currentSelectedCheckBox = (CheckBox) newSelectedCheckBox;
        selectedColor = (Integer) newSelectedCheckBox.getTag();
      } else {
        currentSelectedCheckBox.setChecked(true);
      }
    }
  }

  public static interface LabelEditDialogCallback {
    public void onLabelChanged();
  }
}

Java Source Code List

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